Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 10 - Geometry - 10.1 Points, Lines, Planes, and Angles - Concept and Vocabulary Check - Page 615: 2


acute, right, obtuse, straight,

Work Step by Step

For any angle x, whereby x is: $\lt90$: x is Acute $=90$: x is a right angle $90\lt x \lt180$: x is obtuse $=180$: x is a straight angle
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